Matches 1 - 40 out of 40


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US20080232422 Laser Radiation Source  
A transmitter unit is described for an open path gas detector. The unit comprises: an enclosure having a window; and a coherent radiation transmitter, e.g. a tuneable laser diode transmitter,...
US20080137707 Device for Beam Shaping  
A device for beam shaping is particularly suited for producing a linear intensity distribution in a working plane. The device includes a laser light source, which can emit a multi-mode laser...
US20060114948 Workpiece processing system using a common imaged optical assembly to shape the spatial distributions of light energy of multiple laser beams  
A workpiece processing system employs a common modular imaged optics assembly and an optional variable beam expander for optically processing multiple laser beams. In one embodiment, a laser and a...
US20080205470 MONOLITHIC LIGHTING DEVICE  
A monolithic lighting device is disclosed. According to an embodiment of the present invention, the monolithic lighting device includes a monolithic lens, refracting a two-dimensional beam of...
US20080240199 TARGET ILLUMINATOR FOR NIGHT-VISION DEVICES  
The invention relates to a target illuminator (1) for night-vision technology, comprising a laser source (2), the radiation power of the laser source being at least 15 mW, in particular from 100...
US20080310475 Laser device having thermal lens astigmatism compensation devices and methods of use  
The present application is directed to various embodiments of laser devices having at least one thermal lens astigmatism compensation device and methods of use and includes at least one pump...
US20090252192 REDUCED FEEDBACK OPTICAL TRANSMITTER  
A device including a laser with reduced feedback.
US20080019412 Laser beam injecting optical device for optical fiber  
In a shielding case, a condenser lens condenses a laser beam output by a laser oscillator to inject the laser beam into an entrance end face of an optical fiber disposed posterior to a focusing...
US20080127891 CONCAVE LASER-RESURFACED PART, METHOD AND DEVICE FOR PRODUCING IT  
Device for resurfacing a concave face (2) of a tubular part (1) by supplying resurfacing material and energy by a laser, comprising a laser source for generating a laser beam (9), resurfacing...
US20070030865 External cavity tunable compact mid-IR laser  
A compact mid-IR laser device utilizes an external cavity to tune the laser. The external cavity may employ a Littrow or Littman cavity arrangement. In the Littrow cavity arrangement, a filter,...
US20070274366 Optical unit, optical pickup apparatus and optical information-processing apparatus  
In an optical pickup apparatus body, an APC light-receiving element is arranged halfway along an optical path between a collimating lens and an objective lens, at a position which is entered by...
US20070014326 Line narrowed laser apparatus  
The control of the spectral purity width E95 is performed while imparting practically no effect to the control of a central wavelength, and the spectral purity width E95 is stabilized. A wavefront...
US20060187986 OPTICAL COMMUNICATION MODULE AND MULTI-MODE DISTRIBUTED FEEDBACK LASER DIODE  
An optical communication module being adapted to transmit a first optical signal to an optical transmitting device and receive a second optical signal is provided. The optical communication module...
US20090116518 Multiplexing of optical beams using reversed laser scanning  
A high efficiency, low cost, nondispersive optical multiplexing arrangement for optical beams, used a technique denominated “Reverse Laser Scanning.” In the Reverse Laser Scanning operation,...
US20090154518 LASER BEAM TRANSFORMER AND PROJECTOR  
An original laser-radiation beam having a symmetrical M2 but poor beam quality is sliced in one transverse axis, by a fanned-out stack of parallel transparent plates, into a plurality of beam...
US20050190811 External cavity laser and method for selectively emitting light based on wavelength using aberration-corrected focusing diffractive optical element  
An external cavity laser and method for selectively emitting light based on wavelength utilizes a focusing diffractive optical element (DOE) that has been corrected for spherical aberration. The...
US20090059994 Laser System for Medical and Cosmetic Applications  
A laser system for medical and cosmetic applications has an optical delivery system for guiding a laser beam to a target surface, wherein the optical delivery system has an external optical...
US20070036191 MICRO-LENS BUILT-IN LASER CAPABLE OF ADJUSTING A LIGHT RADIATION ANGLE AND METHOD OF MANUFACTURING THE SAME  
A micro-lens built-in laser includes a light source, a transparent layer and a micro-lens. The light source emits light. The micro-lens and the light source are formed on a same substrate in a...
US20090110020 LIGHT EMITTING SYSTEM  
A light emitting system is disclosed, including a light generator, a complex lens and an activating unit. The light generator provides a light beam emitted in a first direction in parallel to an...
US20050147149 Semiconductor laser device  
A semiconductor laser device including a semiconductor laser, a collimate lens placed opposite a light exit facet of the semiconductor laser, and a base on which the semiconductor laser is...
US20090016400 MULTI-BEAM LASER APPARATUS  
There is provided a multi-beam laser apparatus including: a laser beam source generating a beam; an incident lens disposed on a path of the beam; a beam splitter splitting the beam incident on the...
US20070104243 LASER APPARATUS FOR TREATING WORKPIECE  
The present invention relates to a laser apparatus for treating a workpiece. The laser apparatus includes a worktable, a cooling device, a laser, and a lens assembly. The cooling device is...
US20080219704 Optical writing device and image forming apparatus  
An electrophotographic optical writing device equipped with a semiconductor laser includes the semiconductor laser, a collimating lens, an aperture, a cylindrical lens, and a polygon scanner. An...
US20080063022 Semiconductor laser and tunable fluid lenses  
According to one aspect of the present invention, a semiconductor laser comprising a laser chip, a light wavelength conversion device, and a tunable lens according to the present invention is...
US20060203875 Optical module comprising an image sensor and a lens unit that is supported on the sensitive surface of the image sensor  
An optical module has a lens holder into which a lens array formed of three lenses and a diaphragm, for example, is inserted. The lenses, and optionally the diaphragm, are clearly oriented by way...
US20070127539 Narrow band laser with wavelength stability  
An external cavity diode laser system includes a thin film filter. The output facet of the laser diode is coated with a partial reflection coating and the cavity side facet is coated with an...
US20100074296 SOLID STATE LASER AND WAVELENGTH CONVERSION LASER  
Two convex lenses (61, 62), each of which has a focal length “f”, and a 90 degree polarization rotator (5) are interposed between solid-state laser elements (21, 22) of a symmetrical resonator...
US20060239304 High powered TEM00 mode pulsed laser  
A high power pulsed laser having a Q-switched seed laser lasing at a preselected wavelength at TEM00 mode to produce a pulsed seed beam is disclosed. One or more substantially non-depolarizing...
US20080008222 Laser Irradiation Method and Apparatus, Method for Annealing Non-Single Cyrstal, and Method for Manufacturing Semiconductor Device  
It is an object of the present invention to provide a laser irradiation technique which can keep the stability of the laser oscillator high and which can perform laser process homogeneously by...
US20090046757 Laser irradiation apparatus, laser irradiation method, and manufacturing method of semiconductor device  
An object is to provide a laser irradiation apparatus and a laser irradiation method with which positions of crystal grain boundaries generated at the time of laser crystallization can be...
US20090180510 GUIDING A BEAM FROM AN UNSTABLE LASER RESONATOR  
A gas laser includes an unstable laser resonator disposed in a laser housing, and a beam guide configured to guide a laser beam decoupled from the laser resonator out of the laser housing. The...
US20070147459 Optical data processing apparatus using vertical-cavity surface-emitting laser (VCSEL) device with large oxide-aperture  
A optical data processing apparatus included a light source, an optical system that concentrates light from the light source to an optical data storage medium, and a mechanism that scans the...
US20080057442 Method and apparatus for manufacturing band stop filter  
A method and an apparatus for manufacturing a band stop filter are disclosed. In one aspect, the method uses hologram lithography to produce the band stop filter of a smaller size without the need...
US20090190623 EXTERNAL-CAVITY OPTICALLY-PUMPED SEMICONDUCTOR-LASER WITH A RESONATOR STOP  
An optically pumped semiconductor-laser (OPS-laser) resonator includes an arrangement for delivering optical pump radiation on an OPS-chip to cause fundamental radiation to circulate in the...
US20100150201 LASER SYSTEM  
A laser system including an optical cable jumper with input and output terminals, and a laser gun, wherein the optical jumper transmits a laser beam from a bundle-type optical cable connected to...
US20150298465 NEAR-INFRARED LASER FOCUSING LENS AND LASER PRINTING DEVICE  
A near-infrared laser focusing lens and a laser printing device are provided. The lens comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens (L1, L2, L3, L4, L5)...
US20150049779 SEMICONDUCTOR LASER OPTICAL DEVICE  
Disclosed is a semiconductor laser optical device that can suppress the occurrence of crosstalk light to obtain high collimating efficiency and is relatively inexpensive and compact. This...
US20130182739 Twin-Beam Laser Module For Use With A Laser Sight  
A twin-beam laser module has a housing having a first cylindrical space and a second cylindrical space, which are adjacent and parallel in axial direction to each other. A first laser assembly is...
US20120189032 ILLUMINATING APPARATUS, PATTERN INSPECTION APPARATUS, AND METHOD OF FORMING ILLUMINATING LIGHT  
An illuminating apparatus includes a rotating phase plate having a height equal to or less than a wavelength of light from a light source and including a plurality of randomly arranged step...
US20110222574 TWO-DIMENSIONAL WAVELENGTH-BEAM-COMBINING OF LASERS USING FIRST-ORDER GRATING STACK  
A method and apparatus for two-dimensional wavelength beam combining of laser sources. In one example, an external cavity multi-wavelength laser includes an array of laser emitters each producing...

Matches 1 - 40 out of 40